W 3 1 S E R I E S
H I G H P R E S S U R E B R E A T H I N G A I R C O M P R E S S O R
©ALKIN Kompresör Sanayi ve Ticaret Limited Şirketi
46
3.6 OIL IN DISCHARGE AIR
Restricted air intake
Replace intake filter element, check for other
restrictions at the inlet.
Worn piston rings
Replace piston rings
Excessive oil in the crankcase
Drain to the overflow level
Low oil viscosity
Drain oil; refill with oil of proper viscosity
Piston rings misassembled
If piston rings are upside down, install in proper
position.
Consumed purifier cartridge filling kit
Refill the Purifier cartridge with refilling kit.
3.7 COMPRESSOR VIBRATES
Mounting bolts are loose
Tighten the mounting bolts.
Compressor not properly mounted
Level the compressor so that all feet touch the floor.
Motor belt and the sheave misaligned
Align.
3.8 AIR BLOWING OUT OF INLET
Broken 1
st
stg. inlet valve
Replace its spring and disc.
3.9 INSUFFICIENT AIR AT THE POINT OF USE
Leaks or restrictions
Check for leaks and restrictions in the piping and
hoses.
Restricted air intake
Replace the intake filter element
Slipping belts
Tighten the belts.
Excessive air consumption
a. Limit the air consumption to the capacity of the
compressor.
b. Increase your air capacity with an additional
compressor unit.
Worn piston rings
Replace piston rings.
Worn cylinders
Replace cylinders.
3.10 PRESSURE VESSELS DO NOT HOLD THE PRESSURE WHEN THE
COMPRESSOR IS UNLOADED
Check valve leaks
Relieve the pressure vessels and replace the check
valve.
Excessive leaks in the plant piping
Check the pipings, repair the leaks.
CAUTION!
DO NOT SERVICE TANK, VALVES, PIPING, etc. WHILE COMPRESSED AIR
EXISTS IN THE SYSTEM. DRAIN THE AIR INSIDE BEFORE ATTEMPTING
ANY REPAIRS.
3.11 EXCESSIVE BELT WEAR
Sheaves misaligned
Realign the motor sheave and the flywheel.
Belts too tight
Adjust tension
Belts too loose
Adjust tension
Sheave or crankshaft wobble
Check for worn or bent crankshaft, keyway or sheave
